Index: CDRInputStream.java
===================================================================
RCS file: /cvs/JacORB/src/org/jacorb/orb/CDRInputStream.java,v
retrieving revision 1.134
diff -u -r1.134 CDRInputStream.java
--- CDRInputStream.java	10 May 2011 15:40:40 -0000	1.134
+++ CDRInputStream.java	24 Jun 2011 17:52:40 -0000
@@ -1256,6 +1256,12 @@
             throw new MARSHAL("invalid string size: " + size);
         }
 
+        // Some ORBs wrongly encode empty string with a size 0
+        if (size == 0)
+        {
+            return "";
+        }
+
         int start = pos + 4;
 
         index += (size + 4);